国家级的技术侦察手段已经提供了目标的高空侦察照片。
National technical means had provided overhead reconnaissance photos of the objective.
艾森豪维尔亲自命令的一架美军高空侦察机U2在1960年五一劳动节这天被苏联击落，飞行员加里·鲍尔斯遭到生擒。
One of the U-2 surveillance flights that Eisenhower ordered ended in spectacular disaster on May Day 1960, when the Soviets shot down the aircraft and captured the pilot, Francis Gary Powers, alive.
拥有115英寸长翼展的全球鹰能够在六万英尺的高空(也就是距离地面18公里)连续执行36小时侦察行动。
The Global Hawk, with a 115-foot wingspan, is capable of conducting surveillance for 36 hours at a stretch at altitudes of up to 60,000 feet (18 kilometers).
在1975年，沈阳公司推出了第三种改型用于高空和低空到中空两者侦察任务。
In 1975, Shenyang introduced a third variant for both high - and low - to medium-altitude reconnaissance missions.
在1971年，沈阳为高空昼间侦察任务推出了第二种侦察改型J - 6。
In 1971, Shenyang introduced the second reconnaissance variant J-6 for high-altitude day reconnaissance mission.
高空长航时无人机是一种新型的无人飞行器，在战场侦察和高空大气探测方面有其特殊的用途。
HALE UAV is a new type of UAV, and this new type of UAV has special purpose in scout and exploration of altitude atmosphere.
将支持向量机应用于高空无人侦察机的遥感图像目标识别，并且对特征值的提取进行深入研究。
Using the support vector machine applied in the high altitude unmanned scout distinguishing image goal of remote sensing, and draw to carry out thorough research for feature value.
将支持向量机应用于高空无人侦察机的遥感图像目标识别，并且对特征值的提取进行深入研究。
Using the support vector machine applied in the high altitude unmanned scout distinguishing image goal of remote sensing, and draw to carry out thorough research for feature value.
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